The Spanish BB for BMX cranks with 19mm axle diameter is compatible with all frames with press-fit Spanish BB like O1 Spark, NS Majesty Park or NS Capital. Big durable Spanish bb sealed bearings are pressed directly into the frame.
-compatible with 19mm crank axles
-two big & strong Spanish BB sealed bearings
-compatible with all frames with 68mm Spanish BB & 73mm Spanish BB (2 sets of central spacers included)